From 6d26de2eff6f13830a56bf3c950f00529b67ecc7 Mon Sep 17 00:00:00 2001
From: Jan Hoffmann <jan@hfmn.pl>
Date: Thu, 6 Jun 2019 18:32:13 +0200
Subject: [PATCH] requested change

---
 Adafruit_INA219.cpp | 23 ++++++++++-------------
 Adafruit_INA219.h   |  3 +--
 2 files changed, 11 insertions(+), 15 deletions(-)

diff --git a/Adafruit_INA219.cpp b/Adafruit_INA219.cpp
index aedaacd..d354ca7 100644
--- a/Adafruit_INA219.cpp
+++ b/Adafruit_INA219.cpp
@@ -152,22 +152,19 @@ void Adafruit_INA219::setCalibration_32V_2A() {
 }
 
 /*!
- *  @brief  Enable power save mode
+ *  @brief  Set power save mode according to parameters
+ *  @param  on
+ *          boolean value
  */
-void Adafruit_INA219::powerSaveModeOn() {
+void Adafruit_INA219::powerSave(bool on) {
   uint16_t current;
   wireReadRegister(INA219_REG_CONFIG, &current);
-  uint16_t next = current | INA219_CONFIG_MODE_POWERDOWN; 
-  wireWriteRegister(INA219_REG_CONFIG, next);
-}
-
-/*!
- *  @brief  Disable power save mode
- */
-void Adafruit_INA219::powerSaveModeOff() {
-  uint16_t current;
-  wireReadRegister(INA219_REG_CONFIG, &current);
-  uint8_t next = current & ~INA219_CONFIG_MODE_POWERDOWN; 
+  uint8_t next;
+  if (on) {
+    next = current | INA219_CONFIG_MODE_POWERDOWN; 
+  } else {
+    next = current & ~INA219_CONFIG_MODE_POWERDOWN; 
+  }
   wireWriteRegister(INA219_REG_CONFIG, next);
 }
 
diff --git a/Adafruit_INA219.h b/Adafruit_INA219.h
index 09e1dd0..1f76531 100644
--- a/Adafruit_INA219.h
+++ b/Adafruit_INA219.h
@@ -138,8 +138,7 @@ class Adafruit_INA219 {
   float getShuntVoltage_mV();
   float getCurrent_mA();
   float getPower_mW();
-  void powerSaveModeOn();
-  void powerSaveModeOff();
+  void powerSave(bool on);
 
 private:
   TwoWire *_i2c;